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49045243 = 133772711
BaseRepresentation
bin1011101100010…
…1111011111011
310102021202102111
42323011323323
5100023421433
64511113151
71133610022
oct273057373
9112252374
1049045243
1125759465
12145127b7
13a212970
1467298b9
15448bdcd
hex2ec5efb

49045243 has 4 divisors (see below), whose sum is σ = 52817968. Its totient is φ = 45272520.

The previous prime is 49045231. The next prime is 49045247. The reversal of 49045243 is 34254094.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49045243 - 25 = 49045211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49045247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1886343 + ... + 1886368.

It is an arithmetic number, because the mean of its divisors is an integer number (13204492).

Almost surely, 249045243 is an apocalyptic number.

49045243 is a deficient number, since it is larger than the sum of its proper divisors (3772725).

49045243 is a wasteful number, since it uses less digits than its factorization.

49045243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3772724.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 49045243 is about 7003.2308972359. The cubic root of 49045243 is about 366.0431608252.

The spelling of 49045243 in words is "forty-nine million, forty-five thousand, two hundred forty-three".

Divisors: 1 13 3772711 49045243